| 50.26 | 69 | 20th M-Wave Speed Skating Competition | 11. - 13.02.2022 | Nagano (JPN) |
| 49.78 | 61 | 42nd National Junior High School Skating Tournament | 29.01. - 01.02.2022 | Nagano (JPN) |
| 50.63 | 5 | 1st Ikaho Distance Competition | 15.01.2022 | Shibukawa (JPN) |
| 49.96 | 4 | 56th Gunma Prefectural Junior High School Speed Skating Tournament | 25.12.2021 | Shibukawa (JPN) |
| 50.37 | 7 | 55th Gunma Prefecture Speed Skating Championships | 18.12.2021 | Shibukawa (JPN) |
| 50.18 | 5 | 40th Gunma Prefecture Selected Speed Skating Competition | 11.12.2021 | Shibukawa (JPN) |
| 51.06 | 12 | 28th World Sprint Memorial Tournament | 04.12.2021 | Shibukawa (JPN) |
| 50.14 | 52 | 19th M-Wave Speed Skating Competition | 11. - 14.02.2021 | Nagano (JPN) |
| 51.97 | 5 | 22nd Nagano Prefecture Junior High School Competition (Tohoku Shin Tournament) | 12. - 13.12.2020 | Koumi (JPN) |
| 51.51 | 4 | 54th Gunma Junior High School Competition | 26. - 27.12.2019 | Shibukawa (JPN) |
| 50.96 | 15 | 39th Gunma Prefecture Sprint Speed Skating Championship | 21. - 22.12.2019 | Shibukawa (JPN) |
| 51.79 | 15 | 39th Gunma Prefecture Selected Competition | 14.12.2019 | Shibukawa (JPN) |
| 55.10 | 14 | 38th Gunma Prefecture Sprint Championship | 09. - 10.02.2019 | Shibukawa (JPN) |
| 53.74 | 22 | 38th Gunma Prefecture Selection Speed Skating Competition | 22.12.2018 | Shibukawa (JPN) |
| 54.12 | 15 | 30th Gunma Prefecture Competition | 08.12.2018 | Shibukawa (JPN) |
| 53.71 | 7 | 26th World Sprint Memorial Tournament | 01.12.2018 | Shibukawa (JPN) |
| 57.18 | 15 | 37th Gunma Sprint Championship | 10. - 11.02.2018 | Shibukawa (JPN) |